The national security advisers of the United States, South Korea and Japan called on Saturday for a stronger international push to suppress North Korea’s development of nuclear weapons and missiles and its military cooperation with other countries amid concerns about its alleged arms transfers to Russia.

The United States, South Korea and Japan agreed new initiatives on Saturday to respond to North Korea's threats in cyberspace, including cryptocurrency abuses and space launches, White House National Security Adviser Jake Sullivan said.

North Korea has stolen billions of dollars' worth of crypto in support of its nuclear and ballistic missile programs,

The national security advisers of the United States, South Korea and Japan are set to meet in Seoul on Friday and Saturday to discuss North Korea and other global issues as they step up trilateral cooperation,

Top national security officials from the US, South Korea and Japan pledged to deepen their security cooperation and jointly respond to North Korea’s cyber activities, which it uses to bolster funding for its sanctioned nuclear and missile programs.